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Definition of E
1. Noun. A fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body.
Specialized synonyms: Alpha-tocopheral
Generic synonyms: Antioxidant, Fat-soluble Vitamin
2. Noun. A radioactive transuranic element produced by bombarding plutonium with neutrons.
3. Noun. The cardinal compass point that is at 90 degrees.
4. Noun. The base of the natural system of logarithms; approximately equal to 2.718282....
5. Noun. The 5th letter of the Roman alphabet.
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet
Definition of E
1. Letter. (Latn-def en letter 5 e) ¹
2. Number. (Latn-def en ordinal 5 e) ¹
3. Symbol. (context ESRB rating) everyone Everyone. ¹
4. Symbol. East ¹
5. Noun. (context street slang) The illicit drug ecstasy (MDMA). ¹
6. Noun. The grade below D in some grading systems. In most such systems, it is a failing grade. ¹
7. Letter. (Latn-def en letter 5 e) ¹
8. Number. (Latn-def en ordinal 5 e) ¹
9. Noun. (Latn-def en name E e) ¹
¹ Source: wiktionary.com
Medical Definition of E
1.